Year | Value | 2022 | 44,865 | 2021 | 44,220 | 2020 | 43,903 | 2019 | 44,117 | 2018 | 45,813 | 2017 | 49,619 | 2016 | 54,745 | 2015 | 60,168 | 2014 | 65,113 | 2013 | 69,471 | 2012 | 73,282 | 2011 | 76,647 | 2010 | 79,654 | 2009 | 82,529 | 2008 | 85,259 | 2007 | 86,189 | 2006 | 85,215 | 2005 | 84,053 | 2004 | 82,873 | 2003 | 81,196 | 2002 | 79,992 | 2001 | 80,066 | 2000 | 80,970 | 1999 | 82,234 | 1998 | 83,803 | 1997 | 85,776 | 1996 | 87,975 | 1995 | 90,036 | 1994 | 91,905 | 1993 | 93,505 | 1992 | 94,942 | 1991 | 95,619 | 1990 | 95,526 | 1989 | 95,807 | 1988 | 96,734 | 1987 | 98,187 | 1986 | 100,287 | 1985 | 102,837 | 1984 | 104,993 | 1983 | 106,228 | 1982 | 106,490 | 1981 | 105,621 | 1980 | 104,235 | 1979 | 102,941 | 1978 | 101,025 | 1977 | 98,762 | 1976 | 97,249 | 1975 | 96,099 | 1974 | 95,079 | 1973 | 94,549 | 1972 | 93,551 | 1971 | 91,051 | 1970 | 87,480 | 1969 | 83,497 | 1968 | 80,176 | 1967 | 78,763 | 1966 | 79,738 | 1965 | 82,303 | 1964 | 85,212 | 1963 | 87,687 | 1962 | 89,031 | 1961 | 88,897 | 1960 | 87,317 |
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